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Virtual work is the total work done by the applied forces and the inertial forces of a mechanical system as it moves through a set of virtual displacements. When considering forces applied to a body in static equilibrium, the principle of least action requires the virtual work of these forces to be zero.
Michio Kaku (Japanese: カク ミチオ, 加來 道雄, / ˈmiːtʃioʊ ˈkɑːkuː /; born January 24, 1947) is an American physicist, science communicator, futurologist, and writer of popular-science. He is a professor of theoretical physics at the City College of New York and the CUNY Graduate Center. Kaku is the author of several books ...
Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American theoretical physicist.He is known for the work he did in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, and in particle physics, for which he proposed the parton model.
Quantum fiction. Quantum fiction is a genre of speculative fiction that reflects modern experience of the material world and reality as influenced by quantum theory and new principles in quantum physics. It is characterized by the use of an element in quantum mechanics as a storytelling device. The genre is not necessarily science-themed, and ...
Many science fiction books and films have imagined characters being "trapped in virtual reality" or entering into virtual reality. Laurence Manning's 1933 series of short stories, "The Man Who Awoke"—later a novel—describes a time when people ask to be connected to a machine that replaces all their senses with electrical impulses and, thus, live a virtual life chosen by them (à la The ...
Physics of the Future. Physics of the Impossible: A Scientific Exploration Into the World of Phasers, Force Fields, Teleportation, and Time Travel is a book by theoretical physicist Michio Kaku. Kaku uses discussion of speculative technologies to introduce topics of fundamental physics to the reader. The topic of invisibility becomes a ...
Hard science fiction is a category of science fiction characterized by concern for scientific accuracy and logic. [1][2][3] The term was first used in print in 1957 by P. Schuyler Miller in a review of John W. Campbell 's Islands of Space in the November issue of Astounding Science Fiction. [4][5][1] The complementary term soft science fiction ...
Science in science fiction is the study or of how science is portrayed in works of science fiction, including novels, stories, and films. It covers a large range of topics. Hard science fiction is based on engineering or the "hard" sciences (for example, physics, astronomy, or chemistry). Soft science fiction is based on the "soft" sciences ...